1//===-- tsan_interface_inl.h ------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of ThreadSanitizer (TSan), a race detector.
11//
12//===----------------------------------------------------------------------===//
13
14#include "tsan_interface.h"
15#include "tsan_rtl.h"
16
17#define CALLERPC ((uptr)__builtin_return_address(0))
18
19using namespace __tsan;  // NOLINT
20
21void __tsan_read1(void *addr) {
22  MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1);
23}
24
25void __tsan_read2(void *addr) {
26  MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2);
27}
28
29void __tsan_read4(void *addr) {
30  MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4);
31}
32
33void __tsan_read8(void *addr) {
34  MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
35}
36
37void __tsan_write1(void *addr) {
38  MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1);
39}
40
41void __tsan_write2(void *addr) {
42  MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2);
43}
44
45void __tsan_write4(void *addr) {
46  MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4);
47}
48
49void __tsan_write8(void *addr) {
50  MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
51}
52
53void __tsan_vptr_update(void **vptr_p, void *new_val) {
54  CHECK_EQ(sizeof(vptr_p), 8);
55  if (*vptr_p != new_val) {
56    ThreadState *thr = cur_thread();
57    thr->is_vptr_access = true;
58    MemoryWrite(thr, CALLERPC, (uptr)vptr_p, kSizeLog8);
59    thr->is_vptr_access = false;
60  }
61}
62
63void __tsan_vptr_read(void **vptr_p) {
64  CHECK_EQ(sizeof(vptr_p), 8);
65  ThreadState *thr = cur_thread();
66  thr->is_vptr_access = true;
67  MemoryRead(thr, CALLERPC, (uptr)vptr_p, kSizeLog8);
68  thr->is_vptr_access = false;
69}
70
71void __tsan_func_entry(void *pc) {
72  FuncEntry(cur_thread(), (uptr)pc);
73}
74
75void __tsan_func_exit() {
76  FuncExit(cur_thread());
77}
78
79void __tsan_read_range(void *addr, uptr size) {
80  MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, false);
81}
82
83void __tsan_write_range(void *addr, uptr size) {
84  MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, true);
85}
86